Xeon D-1846 vs E7-4820

Primary details

Comparing Xeon E7-4820 and Xeon D-1846 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	Intel Xeon E7	no data
Architecture codename	Westmere (2010−2011)	no data
Release date	5 April 2011 (13 years ago)	1 October 2023 (1 year ago)
Launch price (MSRP)	$1,446	no data

Detailed specifications

Xeon E7-4820 and Xeon D-1846 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	8 (Octa-Core)	10 (Deca-Core)
Threads	16	20
Base clock speed	2 GHz	2 GHz
Boost clock speed	2.27 GHz	3.1 GHz
Bus type	QPI	no data
Bus rate	5.86 GT/s	no data
Multiplier	15	no data
L1 cache	512 KB	no data
L2 cache	2 MB	no data
L3 cache	18 MB	15360 KB
Chip lithography	32 nm	no data
Die size	513 mm2	no data
Maximum core temperature	64 °C	no data
Number of transistors	2600 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon E7-4820 and Xeon D-1846 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	4 (Multiprocessor)	no data
Socket	LGA1567	FCBGA2227
Power consumption (TDP)	105 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E7-4820 and Xeon D-1846. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® AVX-512
AES-NI	+	+
Enhanced SpeedStep (EIST)	+	+
QuickAssist	no data	-
Turbo Boost Technology	1.0	2.0
Hyper-Threading Technology	+	+
Thermal Monitoring	+	+
Deep Learning Boost	-	+

Security technologies

Xeon E7-4820 and Xeon D-1846 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+
SGX	no data	Yes with Intel® SPS

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E7-4820 and Xeon D-1846 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E7-4820 and Xeon D-1846. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066	DDR4
Maximum memory size	2 TB	256 GB
Max memory channels	4	2
Maximum memory bandwidth	34.113 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E7-4820 and Xeon D-1846.

PCIe version	no data	4.0
PCI Express lanes	no data	16
USB revision	no data	3.0
Max number of SATA 6 Gb/s Ports	no data	24
Number of USB ports	no data	4
Integrated LAN	no data	-

Pros & cons summary

---

Recency	5 April 2011	1 October 2023
Physical cores	8	10
Threads	16	20
Power consumption (TDP)	105 Watt	55 Watt

---

Should you still have questions on choice between Xeon E7-4820 and Xeon D-1846, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---